Pen device



FIG. 1 is a perspective view of a closed pen device;

FIG. 2 is a front view of the pen device;

FIG. 3 is a back view of the pen device;

FIG. 4 is right side view of the pen device

FIG. 5 is left side view of the pen device;

FIG. 6 is a top view of the pen device;

FIG. 7 is a bottom view of the pen device; and,

FIG. 8 is a perspective view of an open pen device.

The broken lines depict portions of the pen device that form no part of the claimed design. 

CLAIM The ornamental design for a pen device, as shown and described. 